the story on the evolution of Mannarasala as the supreme place of worship of the serpent Gods is associated with Parasurama, the creator of Kerala.
Traditionally, a Brahmin woman is the chief priestess of the temple.
2018 ayilyam festival on Novemner 1 2018.

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Past festival news
Ayilyam festival on november 14th 2014
The Ayilyam ezhunnallathu (procession) was led by Uma Devi Antharjanam, the ‘Mannarasala Amma’, who carried the Nagaraja ‘thirumukham’ and ‘Nagaphanam’ from the temple to the Mannarasala illam.

Thousands of devotees participated in the three-day-long Ayilyam Mahotsavam that came to an end on nivember 14th.